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Shengli SL-5088PCM Detection and Assessment System for Buried Pipeline Outer Anti-corrosive Coating

    Shengli SL-5088PCM comprehensive detection and assessment system for the outer anti-corrosive coating conditions of buried pipelines is designed by Jiangsu Shengli specially to provide instructions and assistance for the piping industry. It’s applied to the corrosion and protection of petroleum, natural gas, urban gas and underground water pipelines. However, due to the absence of early detection and diagnosis before pipe network overhaul, it was impossible to duly find the hidden danger in the pipes which were not perforated but whose anti-corrosive and insulating coating was damaged, which was a cause for the repeated perforating after repair of buried pipelines. The aging, friability, peeling, and falling of pipeline protective coating will lead to corrosion and perforation, and then to leakage, causing immeasurable losses.

    Shengli SL-5088PCM can test the buried pipelines without excavation in order to determine and assess the damage conditions of the outer anti-corrosive coating, and can conduct precise location and depth investigation of the pipes, which was unattainable under non-excavation cases before. That detection technology not only works as a test and acceptance means for newly built pipes, but also can regularly monitor the operating pipes. To test the conditions of the protective coating of buried pipelines and to replace and repair them as required, extending the life time of pipes, can save lots of maintenance and reconstruction costs. It’s crucial to ensure the proper operation of pipelines.

Technical features of Shengli SL-5088PCM

Automatically generating the distribution diagram of damage locations on pipeline outer anti-corrosive coating

Automatically generating the status diagram of damage locations on pipeline outer anti-corrosive coating

Automatically generating the variation diagram of buried depth of pipelines

Automatically generating the graph of current attenuation of pipelines

Advanced function of current direction can locate the damage points on anti-corrosive coating within centimeters

Precise location integrated with PCM (pipeline current mapping)

A-type bracket which has low earthing requirements can be applied to dry sand regions and concrete pavements.

Adoption of world’s first-class artificial neural network identification technology can quickly determine position and size of damage points on the anti-corrosive coating, and it’s an exclusive technology in the world (notes: the detection speed is superior to that of foreign counterparts)

The transmitter sends a special encoding detection signal current to the pipes in order to make the instrument more interference-resistant.

The high-energy density lithium battery is used, which has large capacity, less weight, and is environmental-friendly, meanwhile reduces the monobloc weight.

Large-power transmitter, one-time connection, testing distance reaches up to 30km.

The transmitter uses a special technology, compared with foreign ones, only half the weight at the same power.

Easy operation by only one person

The receiver can measure and display current without connection to pipes.

The use of artificial neural network identification technology reduces false indication, thus to minimize unnecessary excavation.

Locating and depth investigation of pipe routes, and assessment of damage conditions of anti-corrosive coating

Regular tracking and detection of key pipes

Construction quality acceptance of anti-corrosive coatings of newly laid pipes

Checking of branch oil pipes on the main pipe

Assessment of pipe cathode anti-corrosive effects

Technical parameters of Shengli SL-5088PCM receiver

Working frequencies: 100HZ, 128HZ+4+8HZ, 512HZ+4+8HZ, 1KHZ+4+8HZ, 128HZ, 512HZ, 1KHZ, and 2KHZ (notes: all these frequencies can identify the direction and size of damage points, while only one superposed waveform identifies the direction of damage points in foreign countries)

Location accuracy: 2% of the depth (no interference from adjacent pipelines)

Current accuracy: 2% of actual current (no interference from adjacent pipelines)

Depth accuracy: 2% of depth (no interference from adjacent pipelines)

Measurement range: 8 meters

Current mapping: able to measure various signal currents and the direction of the damaged anti-corrosive coating accurately

Sensitivity: 10mA at a buried depth of one meter

Damage location: 8 frequencies locate the position and direction of the damage points on the anti-corrosive coating, with the accuracy within 2 centimeters (notes: only a superposed waveform signal of 4HZ and 8HZ detects the position and direction of the damage points on the anti-corrosive coating)

Data records: position, size, buried depth, and current of damage points

Data download: the recorded data can be downloaded to PC

Battery: lithium can last for 20 hours (notes: optional)

Quality certification: ISO9001

Shell material: ABS

Overall dimension: 58x28x12cm

Weight: 1.8kg

Technical parameters of Shengli SL-5088PCM detector

Receive frequency: LF

Gain control: Automatic gain, range: 0-140dB

Location accuracy: 5cm

Depth range: 15m

Power supply: 7.4V lithium battery pack

Working time: 20hours

Weight: 2.6kg

Quality certification: IS090012008

Technical parameters of Shengli SL-5088PCM transmitter

Working frequencies: 128+4+8HZ, 512+4+8HZ, 1K+4+8HZ, 128HZ, 512HZ, 1KHZ, and 2KHZ

Output currents: 100mA, 300mA, 600mA, 1A, 2A, and 3A.

Output voltage: up to 120V

Output power: up to 200w

AC power supply: 50Hz, AC220V

DC power supply: 24V 35AH high-capacity Lithium (notes: optional, only 8kg, lasting for 8 hours), which adopts the high-energy density lithium battery and features high-capacity, less weight, environmental-friendliness, etc., reducing the monobloc weight.

Working temperature: -25- +60

Shell material: ABS

Overall dimension: 46x34x16cm

Weight: 8.8kg (notes: only half the weight of foreign counterparts)

Quality certification: IS09001:2000

    Shengli SL-5088PCM comprehensive detection and assessment system for buried pipeline outer anti-corrosive coating- working principle: the instrument consists of transmitter and receiver. The transmitter is an independent 0.1A-3A device outputting detection signals, while the handheld receiver is used for tracing of piping routes, precise location of damage points and current measurement. The current intensity on the pipes attenuates as the distance increases. With the same pipe diameter, pipe material, and soil environment, the better the insulation between anti-corrosive coating and earth is, the less the current loss and the attenuation are. Otherwise, in case of the anti-corrosive coating damage, e.g. aging, falling, etc., the worse the insulation is, the larger the current loss and the attenuation are.

    Shengli SL-5088PCM adopts the first-class neural network identification technology in the world to quickly determine the size and direction of the damage points on the anti-corrosive coating, solving the problems encountered by foreign counterparts which are slow in detection and have high requirements for earthing, consequently becoming one of the advanced detection instruments in the world. That system is the patented product of Jiangsu Shengli Detector Co., Ltd., China.

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